Оценок - 5, средний балл: 4
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Фрагмент инструкции
If it is lit, shut off amplifier briefly and then repower it. High hiss orengine noise (alternator whine) in speakers. Disconnect all RCA inputs to the amplifier(s)-if hiss/noise disappears, then plug in the component driving the amplifier and unplug it's inputs. If hiss/noise • disappears, go on until the faulty/noisy component is found. It is best to set the amplifier's input level as low as possible. The best subjective S/N ratio is obtainable this way. Try to drive as high a signal level from the • head unit as possible. Protection LED comes on when the amplifier is powered up. • Check for shorts on speaker leads. • Check that the volume control on the head unit is turned down low. • Remove speaker leads, and reset the amplifier. If the Protection LED still comes on, then the amplifier is faulty, Amplifier(s) gets very hot. • Check that the minimum speaker impedance for that model is correct. • Check for speaker shorts. • Check that there is good airflow around the amplifier. In some applications, an external cooling fan many be required. Distorted Sound • Check that the Level control(s) is set to match the signal level of the head unit. • Check that all crossover frequencies have been properly set. • Check for shorts on the speaker leads. High squeal noise from speakers. • This is almost always caused by a poorly-grounded RCA patch cord. 15 Wiring Wiring A 2-channel Amplifier (Operating in Stereo) + _*J YES! Two 4-ohm speakers, wired in stereo, will present a 4 ohm load to each channel of the amplifier. Most two-channel amplifiers will work well in this configuration. Two 4-ohm speakers, wired in parallel to a bridged two-channel amplifier, will present a 2-ohm mono load to the amplifier. MOST TWO-CHANNEL AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATIONI AMPLIFIER DAMAGE COULD RESULT! 16 YES! Four 4-ohm speakers, wired in stereo, will present a 4 ohm load to each channel of the amplifier. Most four-channel amplifiers will work well in this configuration. Four 4-ohm speakers, wired in parallel to a bridged four-channel amplifier, will present a 4-ohm mono load to the amplifier. MOST FOUR-CHANNEL AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATIONI AMPLIFIER DAMAGE COULD RESULT! Lanzar Audio Inc. 1600 63rd Street, Brooklyn, NY 11204 (718) 236-6948 A PRINTED IN KOREA...
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